SUSE-SU-2026:4500

This update for libX11 fixes the following issues: - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910). - CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653). - CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser (bsc#1281657). - CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).

Upstream Advisory

• View official advisory

Affected Packages

• libX11-6 6-1.6.5

• libX11-6-32bit 32bit-1.6.5

• libX11-data 1.6.5-0

• libX11-devel 1.6.5-0

• libX11-xcb1 1.6.5-0

• libX11-xcb1-32bit 32bit-1.6.5